13214545031 has 4 divisors (see below), whose sum is σ = 13350777552. Its totient is φ = 13078312512.

The previous prime is 13214545013. The next prime is 13214545039. The reversal of 13214545031 is 13054541231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13054541231 = 6547 ⋅1993973.

It is a cyclic number.

It is not a de Polignac number, because 13214545031 - 2¹⁴ = 13214528647 is a prime.

It is a super-2 number, since 2×13214545031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13214544985 and 13214545003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13214545039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68116115 + ... + 68116308.

It is an arithmetic number, because the mean of its divisors is an integer number (3337694388).

Almost surely, 2^13214545031 is an apocalyptic number.

13214545031 is a deficient number, since it is larger than the sum of its proper divisors (136232521).

13214545031 is an equidigital number, since it uses as much as digits as its factorization.

13214545031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136232520.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 13214545031 in words is "thirteen billion, two hundred fourteen million, five hundred forty-five thousand, thirty-one".